upgrade spring cloud

pom.xml

@@ -9,7 +9,7 @@
 
     <properties>
         <spring-boot.version>2.3.12.RELEASE</spring-boot.version>
-        <spring-cloud.version>Hoxton.SR11</spring-cloud.version>
+        <spring-cloud.version>Hoxton.SR12</spring-cloud.version>
         <maven.compiler.source>1.8</maven.compiler.source>
         <maven.compiler.target>1.8</maven.compiler.target>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>